Mainstream Electric Services INC, C-10 Electrical Contractor in Glendora, CA
Mainstream Electric Services INC operating as a corporation holds California contractor license #807775, which is currently expired (lapsed May 31, 2026) and not valid to contract until it is renewed. First issued in 2002, the license has been on the CSLB roster for 24 years. It carries a single CSLB classification: C-10 — Electrical Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Glendora, in Los Angeles County, California.
- License Number
- 807775
- Issued
- May 8, 2002
- Status
- CLEAR
- Expires
- May 31, 2026
- Entity
- Corporation
- Surety
- Western Surety Company
- Bond Number
- 66696197
- Effective
- Oct 20, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jan 13, 2026
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Mainstream Electric Services INC licensed in California?
Mainstream Electric Services INC previously held California Contractors State License Board license number 807775, but the license expired on May 31, 2026 and is not currently valid. It was first issued on May 8, 2002.
What does Mainstream Electric Services INC specialize in?
Mainstream Electric Services INC is licensed for one CSLB classification: C-10 Electrical Contractor.
Where is Mainstream Electric Services INC headquartered?
Mainstream Electric Services INC is headquartered at 534 S Elwood Ave Unit C, Glendora, CA 91741, in Los Angeles County, California.
Does Mainstream Electric Services INC have an active surety bond on file with CSLB?
Yes. Mainstream Electric Services INC has an active California contractor surety bond filed with Western Surety Company.
Does Mainstream Electric Services INC carry workers' compensation coverage?
Mainstream Electric Services INC reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Mainstream Electric Services INC's contractor license?
You can verify Mainstream Electric Services INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=807775.
- License issuedMay 8, 2002
- Bond activeOct 20, 2023
- WC coverage startsJan 13, 2026
- License expiredMay 31, 2026
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